    .div_main{
       height:498px;
       width:95%;
       border:1px solid black;
       margin: 0px auto;      
    }
    #span_add{
       display: block;
       float:right;
       height:25px;
       font-size:21px;
       padding-right:20px;
    }
    .tab_list{
       clear:both;
       width:100%;
       border:1px solid red;
       border-collapse: collapse;
       text-align: center;
    }
    .tab_list td, .tab_list th{
        border:1px solid black;
        height:30px;
    }
    .tab_list th{
       background-color: #aaaaaa;
    }
    .div_data{
        border:1px solid black;
        height:390px;
    }
    .div_header{
        text-align: center;
        font-size: 30px;
        font-weight: bold;
        margin:10px auto;
    }
    .div_fenye{
       border:1px solid black;
       height:40px;
       font-size: 20px;
    }
    .div_fenye span{
       
    }
    #span_jilu{
       display: block;
       float:left;
       margin-top:10px;
    }
    #span_fenye{
       display: block;
       float:right;
       margin-top:10px;
       margin-right:100px;
    }